package jj.jjstudy.service;

import jj.jjstudy.entity.User;
import jj.jjstudy.response.ResponseData;

import java.util.List;

public interface UserService {

    ResponseData inserUser(User user);

    ResponseData<Integer> updateUser(User user);

    ResponseData<Integer> delUser(String user_id);

    ResponseData<List<User>> findUser(String user_name);
}
